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k in (-oo:+oo)
19 = k+10 // - k+10
19-k-10 = 0
9-k = 0 // - 9
-k = -9 // * -1
k = 9
k = 9
| 7x^2-24x+0=0 | | 3=m+5 | | 19v=152 | | (x^2+2x+6)(5x^2+2)=0 | | m/-7=4 | | k+6=-6 | | w+8=-2 | | -3+m=-6 | | m-2=-1 | | d+1=-7 | | -6a=-36 | | (7x^2+5x-1)(x^2-6x+9)=0 | | 3+n=11 | | 9+d=10 | | w/2=-7 | | (18+3x)/4=19.88 | | d/3=-4 | | (18+3x)/3=19.88 | | 3n=33 | | -8=a-9 | | -6=n+2 | | t/-4=5 | | d+6=9 | | (18+2x)/3=19.88 | | t+9=14 | | (2x^2+3x+4)(4x^2-3)=0 | | 14x-7+5=6x-7 | | (18+2x)/2=19.88 | | 8x-14=5x+3 | | (18+x)/2=19.88 | | 2k=20 | | (3x^3+4x^2+5x+3)(3x+3)=0 |